Step-penetrameter
[医] 楔形梯级式透度计
🧩 词语组成解析
step
[stɛp]
n. 步，脚步;步骤，手段;步调;级别;
vt.& vi. 举步，行走;踩，踏上;跨入;轻快地走;
vi. 踏，踩;走;
vt. 跳舞;迈步;使成阶梯状;
[化] 透度计\\n[医] 透度计
🗣️ 情景例句
No, thank you. It's too late. I really have to go.
不，谢谢。太晚了，我真的该走了。
I'll have to look. What do you want to for?
我得看一看。你要零钱干什么？
'Oh dear,' said the conductor suddenly.
“哎呀，”售票员突然说，